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Sealed units are priced per Square meter. However there's usually a minium charge equivalent to 0.3sqm. 8x Toughened low-u units will eating the economic viability.
Beside the thickness of the unit, you'll also need to allow for some way of sealing the unit into the frame. Be that putty or dry glazing tape.
Is there enough height to the bead/rebates to hide the spacer bar and sealant around the edge of a sealed unit?
user69121
It’s something like that - looks like the inside beading is removable, exterior looks fixed. My plan was to take the panes out, and use a palm router to remove enough material from the front side (green hashes) that a thicker sealed unit could fit. Trying to figure if a) this is feasible and b) whether 8 x sealed units plus all the fitting, plus repainting, if it isn’t worth just replacing the whole door.